Liberty engineering works offers a range of uni-directional check valves are valves which can automatically open with forward flow and close against reverse flow. The lift/swing type check valve can meet a wide variety of applications with the closing elements in the piston, swing type. The company also supplies piston check valves by liberty with the additional a spring, which allows both the vertical and horizontal installation. These lift/swing type check valve come with salient features such as bs 1868 manufacturing standard; bs 5146 testing and inspection; face to face per ansi b 16.10; flanges as per ansi b16.5; stellite facing on seat surfaces done if specified in po.
